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Phys. Rev. D 80, 052011 (2009) [17 pages]

Search for hadronic decays of W and Z bosons in photon events in pp̅ collisions at s=1.96  TeV

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T. Aaltonen et al. CDF Collaboration
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Received 1 April 2008; published 25 September 2009; corrected 28 September 2009

We report on a search for the process pp̅ →γ+W/Z with W/Zqq̅ in events containing two jets and a photon at the center-of-mass energy s=1.96  TeV, using 184  pb-1 of data collected by the CDF II detector. A neural network event selection has been developed to optimize the rejection of the large QCD production background; it is shown that this method gives a significant improvement in both signal-to-noise ratio and signal sensitivity, as compared with an event selection based on conventional cuts. An upper limit is presented for the γ+W/Z production cross section with the W and Z decaying hadronically.

© 2009 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevD.80.052011
DOI:
10.1103/PhysRevD.80.052011
PACS:
12.15.Ji, 13.38.Dg, 13.85.Qk, 13.87.Fh

See Also

Publisher's Note: T. Aaltonen et al., Publisher’s Note: Search for hadronic decays of W and Z bosons in photon events in pp̅ collisions at s=1.96  TeV [Phys. Rev. D 80, 052011 (2009)], Phys. Rev. D 80, 079901 (2009).